Auditorium chair LS-BS339A

Description

• Product description
• Product model: BS339A
• Product specification
• Seat width: 490; Seat height: 450; Seat depth: 480; Handrail height: 610;
• Armrest width: 70; Full height: 1000; Full depth: 720. The center distance is 580
• Product material and function description
• The seven-layer hardwood molding board is made of high frequency wave and high pressure. It has strong supporting force, impact resistance and deformation resistance. It is equipped with unique honeycomb sound-absorbing pores, and the overall sound-absorbing rate is 5.
• The sponge used for seat and back foam is made according to the principle of human sitting engineering. It has high elasticity, comfortable and durable. The sponge density of the seat is greater than 50kg/m3, and the sponge density of the back is greater than 45kg/m3.
• The chair seat and back lining board are made of seven layers of hardwood plywood, which is made of high frequency wave and high pressure. It has strong supporting force, impact resistance and deformation resistance.
• Fabric: imported flannelette; Flame retardant performance passed the national test, (available in a variety of colors).
• Handrail surface use solid wood.
• Metal part:
• Writing board and writing board mechanism: the writing board mechanism is a turning mechanism, and the turning part including the supporting part of the writing board is made of aluminum alloy. The surface is finished with fine polishing. Service life more than 5 years. Writing board board for solid board thickness 15mm.
• The hands and feet are made of aluminum alloy die-casting, the size of 290*70*250 mounting holes, to ensure that the thickness of the foot column is 30mm thick solid aluminum, and the bearing capacity of individual parts is 200kg. The thickness of all aluminum parts is above 3mm, and the foot and armrest frame are connected in separate body, which is convenient for maintenance. Ensure the screws hidden after the installation of ground explosion, safe and beautiful, easy to clean. The surface is polished.
• Seat with built-in spring resistance automatic slow recovery device, so that the seat can automatically reset. No noise, zero failure.
  According to the relevant national standards of production, all kinds of steel skeleton surface after pickling rust removal, alkali washing oil removal, phosphating drying process, using electrostatic powder spraying (matte black or gray); The wall thickness of the iron frame is not less than 0mm.
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